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4230343121 = 17248843713
BaseRepresentation
bin1111110000100101…
…1110100111010001
3101220211010200210212
43330021132213101
532130431434441
61535434533505
7206555215604
oct37411364721
911824120725
104230343121
111880a11444
129a0897295
13525570c14
142c1b9433b
1519b5c4eeb
hexfc25e9d1

4230343121 has 4 divisors (see below), whose sum is σ = 4479186852. Its totient is φ = 3981499392.

The previous prime is 4230343099. The next prime is 4230343133. The reversal of 4230343121 is 1213430324.

4230343121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1361241025 + 2869102096 = 36895^2 + 53564^2 .

It is a cyclic number.

It is not a de Polignac number, because 4230343121 - 218 = 4230080977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4230343151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124421840 + ... + 124421873.

It is an arithmetic number, because the mean of its divisors is an integer number (1119796713).

Almost surely, 24230343121 is an apocalyptic number.

It is an amenable number.

4230343121 is a deficient number, since it is larger than the sum of its proper divisors (248843731).

4230343121 is a wasteful number, since it uses less digits than its factorization.

4230343121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248843730.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4230343121 is about 65041.0879444678. The cubic root of 4230343121 is about 1617.3047599437.

Adding to 4230343121 its reverse (1213430324), we get a palindrome (5443773445).

The spelling of 4230343121 in words is "four billion, two hundred thirty million, three hundred forty-three thousand, one hundred twenty-one".

Divisors: 1 17 248843713 4230343121